3707692

Information

• Patent Grant
• 3707692

• References
• Source

• Patent Number

  3,707,692

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • D21H11/18 - Highly hydrated, swollen or fibrillatable fibres
  • C08B1/02 - Rendering cellulose suitable for esterification
  • C08B1/06 - Rendering cellulose suitable for etherification
  • D21H5/1281 - by chemical treatment
  • D21H17/07 - Nitrogen-containing compounds
  • D21H17/49 - with compounds containing hydrogen bound to nitrogen
  • D21H25/02 - Chemical or biochemical treatment
  • H01B3/185 - Substances or derivates of cellulose

• US Classifications

  • 336 - Inductor devices
  • 008 - Bleaching and dyeing
  • 174 - Electricity: conductors and insulators
  • 361 - Electricity: electrical systems and devices